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Initial collision testing and CStateManager work

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This commit is contained in:
Jack Andersen
2017-03-30 12:36:18 -10:00
parent a0549cd82b
commit 2530163a8c
38 changed files with 1056 additions and 263 deletions
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77
Runtime/Collision/CGameCollision.cpp
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@@ -4,6 +4,8 @@
#include "CMaterialList.hpp"
#include "World/CActor.hpp"
#include "CStateManager.hpp"
#include "TCastTo.hpp"
#include "World/CWorld.hpp"
namespace urde
{
@@ -81,4 +83,79 @@ void CGameCollision::SendMaterialMessage(CStateManager& mgr, const CMaterialList
mgr.SendScriptMsg(&act, kInvalidUniqueId, msg);
}
CRayCastResult
CGameCollision::RayStaticIntersection(const CStateManager& mgr, const zeus::CVector3f& pos,
const zeus::CVector3f& dir, float length, const CMaterialFilter& filter)
{
CRayCastResult ret;
float bestT = length;
if (bestT <= 0.f)
bestT = 100000.f;
zeus::CLine line(pos, dir);
for (const CGameArea& area : *mgr.GetWorld())
{
CAreaOctTree::SRayResult rayRes;
CAreaOctTree& collision = *area.GetPostConstructed()->x0_collision;
collision.GetRootNode().LineTestEx(line, filter, rayRes, length);
if (!rayRes.x10_surface || (length != 0.f && length < rayRes.x3c_t))
continue;
if (rayRes.x3c_t < bestT)
{
ret = CRayCastResult(rayRes.x3c_t, dir * rayRes.x3c_t + pos,
rayRes.x0_plane, rayRes.x10_surface->GetSurfaceFlags());
bestT = rayRes.x3c_t;
}
}
return ret;
}
CRayCastResult
CGameCollision::RayDynamicIntersection(const CStateManager& mgr, TUniqueId& idOut, const zeus::CVector3f& pos,
const zeus::CVector3f& dir, float length, const CMaterialFilter& filter,
const rstl::reserved_vector<TUniqueId, 1024>& nearList)
{
CRayCastResult ret;
float bestT = length;
if (bestT <= 0.f)
bestT = 100000.f;
for (TUniqueId id : nearList)
{
CEntity* ent = const_cast<CEntity*>(mgr.GetObjectById(id));
if (TCastToPtr<CPhysicsActor> physActor = ent)
{
zeus::CTransform xf = physActor->GetPrimitiveTransform();
const CCollisionPrimitive* prim = physActor->GetCollisionPrimitive();
CRayCastResult res = prim->CastRay(pos, dir, bestT, filter, xf);
if (!res.IsInvalid() && res.GetT() < bestT)
{
bestT = res.GetT();
ret = res;
idOut = physActor->GetUniqueId();
}
}
}
return ret;
}
CRayCastResult
CGameCollision::RayWorldIntersection(const CStateManager& mgr, TUniqueId& idOut, const zeus::CVector3f& pos,
const zeus::CVector3f& dir, float mag, const CMaterialFilter& filter,
const rstl::reserved_vector<TUniqueId, 1024>& nearList)
{
CRayCastResult staticRes = RayStaticIntersection(mgr, pos, dir, mag, filter);
CRayCastResult dynamicRes = RayDynamicIntersection(mgr, idOut, pos, dir, mag, filter, nearList);
if (!dynamicRes.IsInvalid() && staticRes.IsInvalid())
return dynamicRes;
else if (staticRes.GetT() >= dynamicRes.GetT())
return dynamicRes;
else
return staticRes;
}
}